| 摘要 |
The inventions are a device and method specifically designed to separate the pinblock (or wrestplank) from the piano case in certain grand pianos wherein the pinblock is installed with shims, wood dowels and glue along three edges so as to make the pinblock an integral part of the case. With the device and method this as accomplished quickly, easily and cleanly along the glue line by applying a controlled force between the two parts and without risk of damage to the finished parts of the piano case.
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