4. Communications: electrical
  5. Continuously variable indicating
  6. With meter reading

Ronald B. Van Santbrink

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Arrangement for connecting a telefax device or a telephone set t

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Patent

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System providing verified information exchange between an electr

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Profile ID: LFUS-PAI-P-1343940

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