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发明名称
ROOF SHINGLE
摘要
申请公布号
CA401099(A)
申请公布日期
1941.12.02
申请号
CAD401099
申请日期
申请人
ROSCOE T. PERKINS
发明人
ROSCOE T. PERKINS
分类号
主分类号
代理机构
代理人
主权项
地址
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