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As of January 1, 2021, the new Assay Office brands enter into force.
Until December 31, 2020, the following Legal Marks of the Portuguese Assay Offices were in force.
— 1887 to 1937 —
— 1938 —
— 1985 —
— 1998 —
Name: Equação do Tempo Lda
NIPC: 507 944 097
Activity Title Number: T3312
The buyer, in case of doubt about the authenticity of the marks, can use, for verification purposes, the services of the contrast offices.
