RISER PAD

RISER PAD

  • CN 1,049,987 A
  • Filed: 09/09/1989
  • Published: 03/20/1991
  • Est. Priority Date: 09/09/1989
  • Status: Abandoned Application
First Claim
Patent Images

1. , the riser pad that a kind of cast steel riser pad, particularly limestone sand are made is characterized in that:

  • A. make the cast steel riser pad with limestone sand.

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