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经营范围
发明名称
An improved rail for supporting boards, sheets or the like in built structures
摘要
申请公布号
GB763118(A)
申请公布日期
1956.12.05
申请号
GB19540019678
申请日期
1954.07.05
申请人
CHARLES HARRY MERCER
发明人
分类号
E04B1/41;E04B2/66;E04H17/14
主分类号
E04B1/41
代理机构
代理人
主权项
地址
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