Separator and method for manufacturing separator
T Aisaka, H Tanino - US Patent 11,652,218, 2023 - Google Patents
C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL;
CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; …
CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; …