Who has Ma Weidu said that the collection of furniture, porcelain, lacquerware, jade, miscellaneous

There is also exe, RAR format, in fact, it is the same after decompression.

Appreciation and collection of furniture in the Republic of China [Author] by Jiang Weiqun. >>>More

There are a lot of patents, I searched for one for you.

Water-saving toilets. Application No. Patent No.: 03131302 a water-saving toilet is provided with a two-stage control water outlet press switch on its rear side, and a water storage area is arranged at the bottom of its inner side, and the rear side of the water storage area is connected with the sewage channel through a curve; The toilet bowl comprises a control valve device located in the toilet, the control valve device comprises a valve talk bend body, a valve cover, a driving rod and a control lever, wherein the valve body is arranged in the through hole at the bottom of the toilet water storage area, the valve body is hollow and has the passage that forms the water storage area and leads directly to the sewer path, the valve cover is arranged at the top of the valve body, and a push rod is connected below the valve cover, the push rod accommodates in the passage of the valve body, and is pivoted with the driving rod, and the other end of the driving rod is connected with the control rod, and the control rod penetrates the toilet bowl and is protruding on the outside of the toilet. >>>More

With the continuous appreciation of the price of antiques in the market, more and more people have begun to "shop" treasures in the market. But for these old, and "wandering" antique furniture, it is easy to produce all kinds of pollution, so for the "tao" treasure, cleaning has become the first thing that must be done. Next, Gu Yun Xuan Chinese design agency will introduce you to how to clean antique furniture. >>>More

This has no depreciation, it is said that the integrity is mainly maintained, and the same maintenance as antiques will only appreciate and maintain value.