| http://www.w3.org/ns/prov#value | - The present invention more particularly relates to a method and apparatus for using a coaxial blowing nozzle and an external fluctuating pressure field, e.g., a transverse jet entraining fluid and a blowing gas to blow hollow microspheres from a dispersed particle film forming composition comprising applying the blowing gas to the inner surface of the film forming composition to continuously blow
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