| 摘要 |
PROBLEM TO BE SOLVED: To provide a pantograph which enables accurate and easy tracing of a shape in the periphery of a projected corner part, irrespective of the degree of proficiency. SOLUTION: Five linear segments 1 that can be extended and contracted by one step and can be fixed are provided so that they can be turned and fixed around one pin 4 pivoting the stacked base end parts thereof. COPYRIGHT: (C)2004,JPO
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