Driving device operated by the weight and muscular force of the human body,申请号US19300460067-传众专利搜索

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发明名称	Driving device operated by the weight and muscular force of the human body
摘要
申请公布号	US1933654(A)	申请公布日期	1933.11.07
申请号	US19300460067	申请日期	1930.06.09
申请人	PETER BRETTRAGER	发明人	BRETTRAGER PETER
分类号	F03G5/00	主分类号	F03G5/00
代理机构		代理人
主权项
地址

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