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经营范围
发明名称
Improvements in, or relating to hutch or wagon stop blocks
摘要
申请公布号
GB381244(A)
申请公布日期
1932.10.06
申请号
GB19310019499
申请日期
1931.07.07
申请人
GEORGE MACBETH
发明人
分类号
B61K7/22
主分类号
B61K7/22
代理机构
代理人
主权项
地址
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