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Denise Richards is planning to have her estranged husband Aaron Phypers and his mother grilled in court ... she wants them to testify about her allegations that he physically abused her.

There's a hearing coming up where Denise will argue why her temporary restraining order against Aaron should be turned into a permanent one ... and she just submitted her witness list. Play video content

According to new legal docs, obtained by TMZ, Denise will call Aaron and his mother, Patricia Phypers , as witnesses.

Denise says Patricia will "testify regarding communications with [Denise] regarding abuse perpetrated on [Denise] by [Aaron]." She expects Patricia to spend an hour on the witness stand. Play video content

In the docs, Denise says she expects her own testimony to last

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