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经营范围
发明名称
An improved means or mechanism for bringing to a standstill runaway tubs or wagons
摘要
申请公布号
GB350127(A)
申请公布日期
1931.06.11
申请号
GB19300011087
申请日期
1930.04.08
申请人
ANDREW LESTER
发明人
分类号
B61K7/22
主分类号
B61K7/22
代理机构
代理人
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