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经营范围
发明名称
Improved draught-excluding means for windows of the sliding sash type
摘要
申请公布号
GB485208(A)
申请公布日期
1938.05.17
申请号
GB19360033367
申请日期
1936.12.04
申请人
FRANCIS RICHARD LLOYD CHAMBERS
发明人
分类号
E06B3/44
主分类号
E06B3/44
代理机构
代理人
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地址
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