Metal ditch cover plate

The utility model relates to the technical field of metal ditch cover plates, in particular to a metal ditch cover plate which comprises a first cover plate and a plurality of first drain holes formed in the top of the first cover plate at intervals, sliding grooves are formed in the front side and...

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Bibliographische Detailangaben
1. Verfasser: LI ZENGCHAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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