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发明名称
SINTERED HOUSING PROVIDING ACOUSTICAL RESISTANCE AND WATERPROOFING
摘要
申请公布号
CA847671(A)
申请公布日期
1970.07.28
申请号
CAD847671
申请日期
申请人
ROANWELL CORPORATION
发明人
GASTON A. MARCHAND
分类号
主分类号
代理机构
代理人
主权项
地址
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