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发明名称
Heat-insulating roof
摘要
申请公布号
US2164790(A)
申请公布日期
1939.07.04
申请号
US19370133098
申请日期
1937.03.26
申请人
SMITH REGINALD H
发明人
SMITH REGINALD H.
分类号
E04D13/16
主分类号
E04D13/16
代理机构
代理人
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