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发明名称
摘要
申请公布号	DE1921966(B2)	申请公布日期	1970.07.16
申请号	DE19691921966	申请日期	1969.04.30
申请人		发明人
分类号	F16N7/34	主分类号	F16N7/34
代理机构		代理人
主权项
地址

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