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发明名称
CANTILEVERED ROOF SECTION
摘要
申请公布号
US3591991(A)
申请公布日期
1971.07.13
申请号
USD3591991
申请日期
1969.06.17
申请人
LEV ZETLIN
发明人
LEV ZETLIN
分类号
E04B7/20;E04B1/342;E04B7/10;(IPC1-7):E04B1/32;E04B1/34;E04B7/14
主分类号
E04B7/20
代理机构
代理人
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地址
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