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经营范围
发明名称
Improvements in or relating to step ladders or stools
摘要
申请公布号
GB849543(A)
申请公布日期
1960.09.28
申请号
GB19570011525
申请日期
1957.04.09
申请人
METAL PRODUCTS (TREFOREST) LIMITED
发明人
GOLTEN MARCEL
分类号
E06C1/387
主分类号
E06C1/387
代理机构
代理人
主权项
地址
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