4. Winding, tensioning, or guiding
  5. Strand tensioning device
  6. Tortuous course

Friedrich Engel

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Hub for magnetic tape cassettes, especially compact cassettes, a

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent

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Hub for magnetic tape cassettes, especially compact cassettes, a

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent

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Method of controlling the phosphorus concentration in...

Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate

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Profile ID: LFUS-PAI-P-585896

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