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经营范围
发明名称
PIPE COUPLING
摘要
申请公布号
CA352683(A)
申请公布日期
1935.08.27
申请号
CAD352683
申请日期
申请人
THE ROCKWOOD SPRINKLER COMPANY OF MASSACHUSETTS
发明人
PETER LOFGREN
分类号
主分类号
代理机构
代理人
主权项
地址
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