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发明名称
TRANSPORTATION
摘要
申请公布号
GB1376890(A)
申请公布日期
1974.12.11
申请号
GB19700014999
申请日期
1971.10.19
申请人
PERROTT F C
发明人
分类号
B61L11/02;E01B25/00;(IPC1-7):E01B7/00;E01B7/20
主分类号
B61L11/02
代理机构
代理人
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