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发明名称
ROOF CONSTRUCTION
摘要
申请公布号
ZA7701330(B)
申请公布日期
1978.02.22
申请号
ZA19770001330
申请日期
1977.03.04
申请人
EZRA A
发明人
EZRA A
分类号
E04B7/02;E04B7/20;E04D3/32
主分类号
E04B7/02
代理机构
代理人
主权项
地址
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