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Find some patent transfer websites, investment websites, and building materials websites to publish the following information.
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It is advisable to post the information on the patent assignment website.
At the very least, we need to briefly explain the principle and make people think about whether it is reasonable.
You can contact me and I can help you transfer.
That is still blocked before drainage, careful inspection may find the problem, the pipeline is not blocked, there must be flowing water!
Yes, you just said that if I was blocked this one, it would be troublesome if the upstairs was blocked, so let's take a look.
The situation you said should be that the bottom of your small toilet is blocked, you can find a dredge to poke it, and now there are that kind of dredging drugs sold online, pour it in and you can receive it, good effect.