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发明名称
Locomotive sanding device
摘要
申请公布号
US1806052(A)
申请公布日期
1931.05.19
申请号
US19290385230
申请日期
1929.08.12
申请人
FRANTZ VIRGIL L
发明人
FRANTZ VIRGIL L.
分类号
B61C15/10
主分类号
B61C15/10
代理机构
代理人
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地址
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