Sewer communication cable lays and uses pay -off
The utility model discloses a sewer communication cable lays and uses pay -off, the on -line screen storage device comprises a base, the left front and back equal fixedly connected with in both sidesat the top of base supports a section of thick bamboo, the lifter has been cup jointed on the support...
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Format: | Patent |
Sprache: | chi ; eng |
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