专利名称：Rivet pin
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发明人：Fred Self
申请号：US07/225534申请日：19880728
胃胀的原因公开号：US04907925A 公开日：
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19900313
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摘要：A rivet for holding together first and cond members utilizing a shaft having first and cond end portions. The first and cond end portions of the shaft at least partially occupy the openings through the first and cond members respectively. A cap having an internal bore grips the first end of the shaft which is extended through the first member. The cap has an enlargement including an exterior surface for frictionally engaging the opening through the first member. The shaft also includes an enlargement on the cond end portion which is capable of frictionally engaging the cond member.新课程学习辅导
申请人：SELF; FRED我家的小园
代理机构：Bielen, Peterson & Lampe
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