发明申请
US20090154987A1 Protection element 审中-公开
保护元件

Protection element
摘要:
A protection element for use with a fastening element (8) anchorable in a hardenable mass and formed as a bowl-shaped member (11) having a circumferential outer wall (21); and a pass-through position (12) for the fastening element (8) and which defines a lead axis (13).
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