| 摘要 |
The frame holds detachable base-holders which each have at least one spatial linkage gear which connects the frame with a top-piece each. At least three of the base-holders have supports for the molded part on their top pieces. A bar connects the linkage gear and top piece of each base-holder. At least one of the top pieces has a further spatial linkage gear connecting the top piece with a holder for measurement-recorder and or cams and or stops for the edge (4) of the molding (3).
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