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经营范围
发明名称
Improved joist supporting or jointing members for use in building construction
摘要
申请公布号
GB405840(A)
申请公布日期
1934.02.15
申请号
GB19330011882
申请日期
1933.04.24
申请人
HARRY CROXFORD
发明人
分类号
E04B1/26;E04B5/14
主分类号
E04B1/26
代理机构
代理人
主权项
地址
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