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发明名称
IMPROVEMENTS IN ROOF LADDERS
摘要
申请公布号
GB1285873(A)
申请公布日期
1972.08.16
申请号
GB19680033073
申请日期
1968.07.11
申请人
COLT INTERNATIONAL LIMITED
发明人
FREDERICK WILLIAM PRICE;PHILIP CALAR SHAW;KENNETH IVOR BOINTON HALLAM;KENNETH FRANK DENT
分类号
E06C1/34
主分类号
E06C1/34
代理机构
代理人
主权项
地址
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