4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Hugh Macpherson

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Protective sheath

Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Including instrument
Patent

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Security enclosure manufacture

Communications: electrical – Condition responsive indicating system – Specific condition
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Security enclosures

Safes – bank protection – or a related device – Combined – With alarm – signal or indicator
Patent

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Security enclosures

Safes – bank protection – or a related device – Combined – With alarm – signal or indicator
Patent

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Security enclosures

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Profile ID: LFUS-PAI-P-426573

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