HU9302658D0 - Process for completing traditional pair compasses of 2 mm graphite point to that with element suitable for holding thin (0.8, 0.5, 0.3 mm) graphite point
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Process for completing traditional pair compasses of 2 mm graphite point to that with element suitable for holding thin (0.8, 0.5, 0.3 mm) graphite point
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HU9302658D0
HU9302658D0HU9302658AHU9302658AHU9302658D0HU 9302658 D0HU9302658 D0HU 9302658D0HU 9302658 AHU9302658 AHU 9302658AHU 9302658 AHU9302658 AHU 9302658AHU 9302658 D0HU9302658 D0HU 9302658D0
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Priority to HU9302658ApriorityCriticalpatent/HUT67499A/en
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Publication of HUT67499ApublicationCriticalpatent/HUT67499A/en
Process for completing traditional pair compasses of 2 mm graphite point to that with element suitable for holding thin (0.8, 0.5, 0.3 mm) graphite point