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经营范围
发明名称
Platte mit lockerem Gefuege, insbesondere Schallschluckplatte
摘要
申请公布号
DE960500(C)
申请公布日期
1957.03.21
申请号
DE1954G016101
申请日期
1954.12.25
申请人
GRUENZWEIG & HARTMANN A.G.
发明人
ROTH WALTER
分类号
E04F13/16
主分类号
E04F13/16
代理机构
代理人
主权项
地址
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