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发明名称
Rotatable roadway light support
摘要
申请公布号
US2694540(A)
申请公布日期
1954.11.16
申请号
US19500142889
申请日期
1950.02.07
申请人
PFAFF AND KENDALL
发明人
JR. HENRY C. PFAFF,
分类号
E04H12/18;F21S8/08;F21V21/10;F21V21/30
主分类号
E04H12/18
代理机构
代理人
主权项
地址
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