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发明名称
Roof covering
摘要
申请公布号
US3127701(A)
申请公布日期
1964.04.07
申请号
US19600042619
申请日期
1960.07.13
申请人
JOHNS-MANVILLE CORPORATION
发明人
JASTRZEMSKI STANLEY E.
分类号
E04D1/20;E04D1/22
主分类号
E04D1/20
代理机构
代理人
主权项
地址
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