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发明名称
Mechanical pavior
摘要
申请公布号
US1898158(A)
申请公布日期
1933.02.21
申请号
US19300482556
申请日期
1930.09.17
申请人
KASPAR WINKLER
发明人
WINKLER KASPAR
分类号
E01C19/29;E01C19/40;E01C19/41
主分类号
E01C19/29
代理机构
代理人
主权项
地址
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