Pipeline preformed hole is filled and is hung mould
The utility model provides a pipeline preformed hole is filled and is hung mould, includes the cuff of two and half tubbinesss, the top and the bottom of cuff all be provided with the support lugn, the front end edge of cuff all is provided with the connection flange, the upper and lower both ends o...
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Format: | Patent |
Sprache: | chi ; eng |
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