Telescopic sleeve convenient to fix

The utility model discloses a telescopic casing pipe convenient to fix, which comprises an outer casing pipe and an inner casing pipe which are mutually sleeved, one ends of the outer casing pipe and the inner casing pipe, which are far away from each other, are respectively provided with a base, th...

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Bibliographische Detailangaben
1. Verfasser: LIN FUYUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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