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US4524098A Board for additive circuits 失效
板用于加法电路

Board for additive circuits
摘要:
There is provided a board for additive circuits which is formed with plural convexo-concave irregularities on the surface of an inorganic composite plate wherein a needle-like or fiber-like inorganic material is present as a mixture with an isotropic solid vitreous inorganic material while maintaining its needle-like or fiber-like form.
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