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发明名称
摘要
申请公布号
DE2223217(C3)
申请公布日期
1978.04.13
申请号
DE19722223217
申请日期
1972.05.12
申请人
GASTEIGER, OTTO FERDINAND, CEDAR VALLEY, ONTARIO (KANADA)
发明人
GASTEIGER, OTTO FERDINAND, CEDAR VALLEY, ONTARIO (KANADA)
分类号
E04B2/82;(IPC1-7):E04B2/74
主分类号
E04B2/82
代理机构
代理人
主权项
地址
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