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发明名称	Hohlblockstein
摘要
申请公布号	DE820070(C)	申请公布日期	1951.11.08
申请号	DE1950S020667	申请日期	1950.10.26
申请人	SEIDEL RUDOLF	发明人	SEIDEL RUDOLF
分类号	E04B2/02;E04B2/42	主分类号	E04B2/02
代理机构		代理人
主权项
地址

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