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经营范围
发明名称
Einziehbarer, lenkbarer Sporn oder Spornrad
摘要
申请公布号
DE639811(C)
申请公布日期
1936.12.14
申请号
DE1935M130291D
申请日期
1935.03.03
申请人
DIPL.-ING. WILLY MESSERSCHMITT
发明人
分类号
B64C25/14
主分类号
B64C25/14
代理机构
代理人
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地址
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