SAFETY SPRING FOR THE SPEED CHANGE GEAR OF A BICYCLE,申请号US19690800152-传众专利搜索

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发明名称	SAFETY SPRING FOR THE SPEED CHANGE GEAR OF A BICYCLE
摘要
申请公布号	US3588077(A)	申请公布日期	1971.06.28
申请号	US19690800152	申请日期	1969.02.18
申请人	NOBUO OZAKI	发明人	NOBUO OZAKI
分类号	B62M25/00	主分类号	B62M25/00
代理机构		代理人
主权项
地址

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