发明名称 SNAP-IN LEVEL VIAL COVER
摘要 A snap-in vial cover for retaining a levelindicating vial on the web of a frame includes first and second vial cover members. The vial cover members are substantially identical in construction. A vial is adapted for placement within a pair of oppositely disposed notches formed in an opening provided in the web of the frame. The first and second members are securable to each other for retaining the vial on the web of the frame.
申请公布号 CA2022528(C) 申请公布日期 1996.10.22
申请号 CA19902022528 申请日期 1990.08.02
申请人 JOHNSON LEVEL & TOOL MFG. CO., INC. 发明人 GROSZ, IMRE
分类号 G01C9/28;(IPC1-7):G01C9/02 主分类号 G01C9/28
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