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发明名称
Afhefbeveiliging voor steigers.
摘要
申请公布号
NL193221(B)
申请公布日期
1998.11.02
申请号
NL19810002115
申请日期
1981.04.29
申请人
RUTH LANGER GEB. LAYHER
发明人
分类号
E04G1/15;E04G7/28;(IPC1-7):E04G7/28
主分类号
E04G1/15
代理机构
代理人
主权项
地址
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