ES82205A1 - Un nuevo producto industrial consistente en una nueva pasta que sustituye al papel secante, con su procedimiento para llevarlo a la práctica.
- Google Patents
Un nuevo producto industrial consistente en una nueva pasta que sustituye al papel secante, con su procedimiento para llevarlo a la práctica.
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ES82205A1922-07-041922-07-04Un nuevo producto industrial consistente en una nueva pasta que sustituye al papel secante, con su procedimiento para llevarlo a la práctica.
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