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发明名称
Extension ladder
摘要
申请公布号
GB380541(A)
申请公布日期
1932.09.22
申请号
GB19310019852
申请日期
1931.07.10
申请人
C. D. MAGIRUS AKTIENGESELLSCHAFT
发明人
分类号
E06C1/12;E06C7/08
主分类号
E06C1/12
代理机构
代理人
主权项
地址
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