Eisenbetonplatte zum Aufbau von Waenden in Schaechten, Stollen u. dgl.,申请号DE1928A056077D-传众专利搜索

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发明名称	Eisenbetonplatte zum Aufbau von Waenden in Schaechten, Stollen u. dgl.
摘要
申请公布号	DE519036(C)	申请公布日期	1931.02.23
申请号	DE1928A056077D	申请日期	1928.11.30
申请人	ERNST ARNOLD	发明人
分类号	E21D5/04	主分类号	E21D5/04
代理机构		代理人
主权项
地址

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