Portable and adjustable knockdown scaffold,申请号US19420453399-传众专利搜索

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发明名称	Portable and adjustable knockdown scaffold
摘要
申请公布号	US2335046(A)	申请公布日期	1943.11.23
申请号	US19420453399	申请日期	1942.08.03
申请人	DROEGER CARL C	发明人	DROEGER CARL C.
分类号	E04G1/15	主分类号	E04G1/15
代理机构		代理人
主权项
地址

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