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2Â¥2016-05-30 16:41:55
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ÒýÓûØÌû:
2Â¥: Originally posted by çùÓñÀÏʦ at 2016-05-30 16:41:55
Patents should be indicated in the following form:Br. Pat., 357 450, 1986. US Pat., 1 171 230, 1990.

3Â¥2016-06-02 22:36:11
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