| 摘要 |
A telescopic maulstick that can be extended and retracted, as required, and clamped to the sides of an artist's frame having end means for securing same thereto and means intermediate the ends for locking the maulstick in a clamped position. The maulstick can also be used in any free or clamped position at a satisfactory elevation above the surface of the artist's frame.
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